FAN5353 Fairchild Semiconductor, FAN5353 Datasheet - Page 7

• Manufacturer Part Number: FAN5353
• Description: The FAN5353 is a step-down switching voltage regulator that delivers an adjustable output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN5353 • Rev. 1.0.2
Typical Characteristics
Unless otherwise specified, V
Figure 15. Soft-Start: EN Voltage Raised After V
Figure 17. Soft-Start: EN Pin Raised after V
R
LOAD
I
LOAD
= 400mΩ. C
= 0, Horizontal Scale = 100µs/div.
OUT
100µs/div.
= 100μF, Horizontal Scale =
IN
= 5V, V
OUT
= 1.2V, circuit of Figure 1, and components per Table 1.
IN
= 5.0V,
IN
=5.0V,
7
400mΩ, C
Figure 18. Soft-Start: EN Pin Tied to VCC, R
Figure 16. Soft-Start: EN Pin Tied to VCC,
I
LOAD
OUT
= 0, Horizontal Scale = 1ms/div.
= 100μF, Horizontal Scale = 1ms/div.
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LOAD
=